What is the Latin word for ceiling?

The usual Latin words for “ceiling” are tegō, laquear, lacūnar; also laqueus, lacus, camera. The right choice depends on the sense; see the distinctions below.

English → Latin

“ceiling” in Latin

tegōto cover; to clothe; to conceal, hide, protect laqueara panelled or fretted ceiling lacūnarceiling, coffered ceiling, a wainscotted and gilded ceiling of an unvaulted chamber; panels of the under surface of a co laqueusnoose; snare, gin, trap; chains, catena lacusa lake, pond, basin; reservoir; a tank, tub, sink, vat, wine-vat cameraA room, especially a vaulted room, a vault.; A deliberative body.concămĕrātĭoa vaulting; a vault

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

ceiling

tectum (upper flat surface of a chamber or other inclosed space): if inlaid, paneled, etc., tectum laqueatum: laquear: lacunar (laquear with reference to the lines like drawn cords, laquei, that define the entablatures of a ceiling; lacunar with reference to the sunk squares, lacus, with which it was ornamented. Both of flat roofs). An arched ceiling, camera: concameratio.

Quick answer

What is the Latin word for ceiling?: The usual Latin words for “ceiling” are tegō, laquear, lacūnar; also laqueus, lacus, camera. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.